By now, you probably know that Microsoft created Windows Phone 7 from scratch. Windows Phone 7 is light, fast, and user-friendly, but it isn't perfect--missing features such as copy/paste and true multitasking are big oversights. (Microsoft says that copy/paste will come in an update later this year.) I also don't find the OS all that visually consistent, and navigating requires a lot of scrolling.

One of the strengths of Windows Phone 7 is its excellent set of productivity and business apps. You'll find all of them in the . Microsoft does a good job of shrinking down such heavy apps as Word, Excel, PowerPoint, and OneNote to a mobile scale. You can view and edit full documents, including charts, graphics, bullet points, and animations. This package is probably the best mobile Office software we've used, though it still has a few quirks.

That said, having a full-QWERTY keyboard definitely makes editing easier. I initially used the Office Hub with the all-touch screen, and found scrolling and tapping a bit annoying. Editing documents with the physical keyboard--even if it isn't the best keyboard ever--was far simpler.

For a full, in-depth review of the OS and its various Hubs, check out our . For more on WP7's gaming capabilities, read our review of the .